| Plougastel-Daoulas to Impruneta | 814.48 mi (1,310.77 km) |
| Plougastel-Daoulas to Induno Olona | 643.96 mi (1,036.36 km) |
| Plougastel-Daoulas to Inverigo | 664.09 mi (1,068.75 km) |
| Plougastel-Daoulas to Inveruno | 653.11 mi (1,051.08 km) |
| Plougastel-Daoulas to Inzago | 681.10 mi (1,096.13 km) |
| Plougastel-Daoulas to Iseo | 703.69 mi (1,132.48 km) |
| Plougastel-Daoulas to Isernia | 1,018.99 mi (1,639.91 km) |
| Plougastel-Daoulas to Isola Capo Rizzuto | 1,248.21 mi (2,008.80 km) |
| Plougastel-Daoulas to Isola del Liri | 987.43 mi (1,589.12 km) |
| Plougastel-Daoulas to Isola della Scala | 756.68 mi (1,217.75 km) |
| Plougastel-Daoulas to Isola Vicentina | 767.56 mi (1,235.27 km) |
| Plougastel-Daoulas to Ispica | 1,259.63 mi (2,027.18 km) |
| Plougastel-Daoulas to Istrana | 795.95 mi (1,280.96 km) |
| Plougastel-Daoulas to Itri | 1,001.32 mi (1,611.46 km) |
| Plougastel-Daoulas to Ittiri | 831.74 mi (1,338.56 km) |
